Smith 2694 Trap-Defender™ Pressure Drop-Activated Trap Seal Primer
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Trap-Defender™ is a pressure drop-activated trap primer designed to be connected to any potable cold water line. It is automatically activated when a pressure drop as low as 3 psi occurs in a potable cold water line. Water is released into the floor drain's P-trap to maintain a seal.
Trap primer features:
- Operates with 3 PSI pressure drop
- Operates at pressures from 20-80 PSI
- Fully automatic
- Lead-free brass with 1/2" NPT